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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
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package com.sun.faces.taglib.jsf_core;
import com.sun.faces.util.MessageUtils;
import javax.el.ValueExpression;
import javax.faces.component.StateHolder;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import javax.servlet.jsp.JspException;
/**
* Basic implementation of ConverterELTag.
*/
public class ConverterTag extends AbstractConverterTag {
// --------------------------------------------- Methods from ConverterELTag
@Override
protected Converter createConverter() throws JspException {
if (converterId != null && converterId.isLiteralText()) {
return createConverter(converterId,
binding,
FacesContext.getCurrentInstance());
} else {
return new BindingConverter(converterId, binding);
}
}
// ----------------------------------------------------------- Inner Classes
public static class BindingConverter implements Converter, StateHolder {
ValueExpression converterId;
ValueExpression binding;
// -------------------------------------------------------- Constructors
/**
* This is only used during state restoration.
*/
public BindingConverter() {
}
public BindingConverter(ValueExpression converterId,
ValueExpression binding) {
this.converterId = converterId;
this.binding = binding;
}
// ---------------------------------------------- Methods From Converter
public Object getAsObject(FacesContext context, UIComponent component, String value) {
Converter delegate = getDelegate(context);
if (delegate != null) {
return delegate.getAsObject(context, component, value);
} else {
throw new ConverterException(
MessageUtils.getExceptionMessage(
MessageUtils.CANNOT_CONVERT_ID,
converterId != null ? converterId.getExpressionString() : "",
binding != null ? binding.getExpressionString() : ""));
}
}
public String getAsString(FacesContext context, UIComponent component, Object value) {
Converter delegate = getDelegate(context);
if (delegate != null) {
return delegate.getAsString(context, component, value);
} else {
throw new ConverterException(
MessageUtils.getExceptionMessage(
MessageUtils.CANNOT_CONVERT_ID,
converterId != null ? converterId.getExpressionString() : "",
binding != null ? binding.getExpressionString() : ""));
}
}
// -------------------------------------------- Methods from StateHolder
private Object[] state;
public Object saveState(FacesContext context) {
if (context == null) {
throw new NullPointerException();
}
if (state == null) {
state = new Object[2];
}
state[0] = converterId;
state[1] = binding;
return state;
}
public void restoreState(FacesContext context, Object state) {
if (context == null) {
throw new NullPointerException();
}
this.state = (Object[]) state;
if (this.state != null) {
this.converterId = (ValueExpression) this.state[0];
this.binding = (ValueExpression) this.state[1];
}
}
public boolean isTransient() {
return false;
}
public void setTransient(boolean newTransientValue) {
//no-op
}
// ----------------------------------------------------- Private Methods
private Converter getDelegate(FacesContext context) {
return createConverter(converterId, binding, context);
}
}
}